125544818 has 32 divisors (see below), whose sum is σ = 228839040. Its totient is φ = 50457600.

The previous prime is 125544817. The next prime is 125544841. The reversal of 125544818 is 818445521.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (125544817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24530 + ... + 29202.

It is an arithmetic number, because the mean of its divisors is an integer number (7151220).

Almost surely, 2^125544818 is an apocalyptic number.

125544818 is a deficient number, since it is larger than the sum of its proper divisors (103294222).

125544818 is a wasteful number, since it uses less digits than its factorization.

125544818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4802.

The product of its digits is 51200, while the sum is 38.

The square root of 125544818 is about 11204.6783978836. The cubic root of 125544818 is about 500.7253711645.

The spelling of 125544818 in words is "one hundred twenty-five million, five hundred forty-four thousand, eight hundred eighteen".